The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Mgm Grand Air

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Boeing 727. FAA spelling: MGM Grand Air.

Approved modifications 3 · newest first

1995-11-20SA6043NM · Installation of Sundstrand Mark VII windshear detection/ground proximity warning system. · 727-100 Series
1994-06-22SA8003NM · Installation of Sundstrand Universal Digital Flight Data Recorder, P/N 980-4100-GQUS. · 727-200 Series, 727-100 Series
1991-08-26SA5464NM · Installation of provisions for Sunstrand Mark VII ground proximity/windshear system. · DC-8-62

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.